<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8"/>
    <title>Title</title>
</head>
<body>
   <h1>showdemo.html</h1>
   <ul>
       <li th:each="u1:${ulist}">
           <span th:text="${u1.username}"></span>
       </li>
   </ul>
</body>
</html>